/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:10:30,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:10:30,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:10:30,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:10:30,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:10:30,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:10:30,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:10:30,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:10:30,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:10:30,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:10:30,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:10:30,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:10:30,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:10:30,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:10:30,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:10:30,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:10:30,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:10:30,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:10:30,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:10:30,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:10:30,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:10:30,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:10:30,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:10:30,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:10:30,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 21:10:30,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:10:30,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:10:30,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:10:30,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:10:30,266 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:10:30,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:10:30,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:10:30,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:10:30,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:10:30,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:10:30,268 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:10:30,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:10:30,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:10:30,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:10:30,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:10:30,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:10:30,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:10:30,270 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:10:30,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:10:30,270 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:10:30,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:10:30,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:10:30,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:10:30,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:10:30,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:10:30,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:10:30,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:10:30,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:10:30,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:10:30,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:10:30,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:10:30,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:10:30,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:10:30,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:10:30,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:10:30,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:10:30,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:10:30,598 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:10:30,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-11-06 21:10:30,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b83f4c7/248d8bad7e384708aa83494a199dbb62/FLAGb24d8b0be [2019-11-06 21:10:31,107 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:10:31,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-11-06 21:10:31,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b83f4c7/248d8bad7e384708aa83494a199dbb62/FLAGb24d8b0be [2019-11-06 21:10:31,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b83f4c7/248d8bad7e384708aa83494a199dbb62 [2019-11-06 21:10:31,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:10:31,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:10:31,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:10:31,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:10:31,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:10:31,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:10:31" (1/1) ... [2019-11-06 21:10:31,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c96835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31, skipping insertion in model container [2019-11-06 21:10:31,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:10:31" (1/1) ... [2019-11-06 21:10:31,623 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:10:31,650 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:10:31,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:10:31,880 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:10:31,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:10:31,908 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:10:31,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31 WrapperNode [2019-11-06 21:10:31,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:10:31,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:10:31,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:10:31,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:10:32,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31" (1/1) ... [2019-11-06 21:10:32,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31" (1/1) ... [2019-11-06 21:10:32,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31" (1/1) ... [2019-11-06 21:10:32,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31" (1/1) ... [2019-11-06 21:10:32,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31" (1/1) ... [2019-11-06 21:10:32,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31" (1/1) ... [2019-11-06 21:10:32,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31" (1/1) ... [2019-11-06 21:10:32,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:10:32,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:10:32,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:10:32,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:10:32,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:10:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:10:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:10:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-06 21:10:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-06 21:10:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:10:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:10:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-06 21:10:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:10:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:10:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:10:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-06 21:10:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:10:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:10:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:10:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:10:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:10:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:10:32,489 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:10:32,490 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:10:32,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:10:32 BoogieIcfgContainer [2019-11-06 21:10:32,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:10:32,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:10:32,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:10:32,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:10:32,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:10:31" (1/3) ... [2019-11-06 21:10:32,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d777c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:10:32, skipping insertion in model container [2019-11-06 21:10:32,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:31" (2/3) ... [2019-11-06 21:10:32,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d777c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:10:32, skipping insertion in model container [2019-11-06 21:10:32,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:10:32" (3/3) ... [2019-11-06 21:10:32,498 INFO L109 eAbstractionObserver]: Analyzing ICFG test05.c [2019-11-06 21:10:32,505 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:10:32,510 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:10:32,520 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:10:32,544 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:10:32,544 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:10:32,544 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:10:32,544 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:10:32,545 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:10:32,545 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:10:32,545 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:10:32,545 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:10:32,559 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-06 21:10:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-06 21:10:32,564 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:10:32,565 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:10:32,567 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:10:32,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:10:32,571 INFO L82 PathProgramCache]: Analyzing trace with hash -685779266, now seen corresponding path program 1 times [2019-11-06 21:10:32,578 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:10:32,578 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879751550] [2019-11-06 21:10:32,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:10:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:10:32,919 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879751550] [2019-11-06 21:10:32,920 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:10:32,921 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 21:10:32,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588123489] [2019-11-06 21:10:32,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 21:10:32,926 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:10:32,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 21:10:32,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-06 21:10:32,940 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 7 states. [2019-11-06 21:10:33,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:10:33,267 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2019-11-06 21:10:33,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 21:10:33,269 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-11-06 21:10:33,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:10:33,279 INFO L225 Difference]: With dead ends: 36 [2019-11-06 21:10:33,279 INFO L226 Difference]: Without dead ends: 21 [2019-11-06 21:10:33,283 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:10:33,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-06 21:10:33,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-06 21:10:33,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-06 21:10:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-06 21:10:33,323 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2019-11-06 21:10:33,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:10:33,323 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-06 21:10:33,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 21:10:33,324 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-06 21:10:33,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-06 21:10:33,325 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:10:33,325 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:10:33,325 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:10:33,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:10:33,326 INFO L82 PathProgramCache]: Analyzing trace with hash 636648720, now seen corresponding path program 1 times [2019-11-06 21:10:33,326 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:10:33,326 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566322572] [2019-11-06 21:10:33,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:10:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:10:33,537 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566322572] [2019-11-06 21:10:33,538 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:10:33,538 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 21:10:33,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395370987] [2019-11-06 21:10:33,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 21:10:33,540 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:10:33,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 21:10:33,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-06 21:10:33,541 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 7 states. [2019-11-06 21:10:33,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:10:33,764 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-06 21:10:33,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 21:10:33,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-11-06 21:10:33,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:10:33,767 INFO L225 Difference]: With dead ends: 23 [2019-11-06 21:10:33,783 INFO L226 Difference]: Without dead ends: 21 [2019-11-06 21:10:33,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:10:33,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-06 21:10:33,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-06 21:10:33,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-06 21:10:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-11-06 21:10:33,792 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 19 [2019-11-06 21:10:33,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:10:33,792 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-11-06 21:10:33,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 21:10:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-11-06 21:10:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-06 21:10:33,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:10:33,794 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:10:33,794 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:10:33,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:10:33,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1738724303, now seen corresponding path program 1 times [2019-11-06 21:10:33,795 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:10:33,795 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649752857] [2019-11-06 21:10:33,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:10:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:10:34,243 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649752857] [2019-11-06 21:10:34,243 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:10:34,243 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:10:34,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162333067] [2019-11-06 21:10:34,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:10:34,246 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:10:34,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:10:34,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:10:34,250 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 11 states. [2019-11-06 21:10:34,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:10:34,706 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-11-06 21:10:34,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-06 21:10:34,706 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2019-11-06 21:10:34,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:10:34,707 INFO L225 Difference]: With dead ends: 21 [2019-11-06 21:10:34,707 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 21:10:34,708 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2019-11-06 21:10:34,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 21:10:34,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 21:10:34,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 21:10:34,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 21:10:34,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-11-06 21:10:34,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:10:34,710 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 21:10:34,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:10:34,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 21:10:34,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 21:10:34,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 21:10:34,851 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:10:34,852 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-11-06 21:10:34,852 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:10:34,852 INFO L439 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (and (= |f_#in~a| f_~a) (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-11-06 21:10:34,852 INFO L443 ceAbstractionStarter]: For program point L12(lines 12 17) no Hoare annotation was computed. [2019-11-06 21:10:34,853 INFO L443 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2019-11-06 21:10:34,853 INFO L443 ceAbstractionStarter]: For program point fEXIT(lines 11 18) no Hoare annotation was computed. [2019-11-06 21:10:34,853 INFO L439 ceAbstractionStarter]: At program point fENTRY(lines 11 18) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-11-06 21:10:34,853 INFO L443 ceAbstractionStarter]: For program point fFINAL(lines 11 18) no Hoare annotation was computed. [2019-11-06 21:10:34,853 INFO L443 ceAbstractionStarter]: For program point gEXIT(lines 4 9) no Hoare annotation was computed. [2019-11-06 21:10:34,854 INFO L443 ceAbstractionStarter]: For program point gFINAL(lines 4 9) no Hoare annotation was computed. [2019-11-06 21:10:34,854 INFO L439 ceAbstractionStarter]: At program point gENTRY(lines 4 9) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-11-06 21:10:34,854 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:10:34,854 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-06 21:10:34,854 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 21:10:34,854 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:10:34,855 INFO L439 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (and (= 4 |main_#t~mem4|) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= .cse0 |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))) [2019-11-06 21:10:34,855 INFO L443 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2019-11-06 21:10:34,855 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 20 46) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-11-06 21:10:34,855 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 20 46) no Hoare annotation was computed. [2019-11-06 21:10:34,855 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 20 46) no Hoare annotation was computed. [2019-11-06 21:10:34,856 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-06 21:10:34,856 INFO L439 ceAbstractionStarter]: At program point L39(lines 20 46) the Hoare annotation is: false [2019-11-06 21:10:34,856 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2019-11-06 21:10:34,856 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2019-11-06 21:10:34,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:10:34 BoogieIcfgContainer [2019-11-06 21:10:34,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:10:34,868 INFO L168 Benchmark]: Toolchain (without parser) took 3287.93 ms. Allocated memory was 137.4 MB in the beginning and 225.4 MB in the end (delta: 88.1 MB). Free memory was 99.7 MB in the beginning and 95.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:34,869 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 21:10:34,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.42 ms. Allocated memory is still 137.4 MB. Free memory was 99.4 MB in the beginning and 89.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:34,871 INFO L168 Benchmark]: Boogie Preprocessor took 124.94 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 89.5 MB in the beginning and 176.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:34,872 INFO L168 Benchmark]: RCFGBuilder took 456.30 ms. Allocated memory is still 198.7 MB. Free memory was 176.7 MB in the beginning and 157.4 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:34,873 INFO L168 Benchmark]: TraceAbstraction took 2373.34 ms. Allocated memory was 198.7 MB in the beginning and 225.4 MB in the end (delta: 26.7 MB). Free memory was 156.7 MB in the beginning and 95.8 MB in the end (delta: 61.0 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:34,877 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.42 ms. Allocated memory is still 137.4 MB. Free memory was 99.4 MB in the beginning and 89.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.94 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 89.5 MB in the beginning and 176.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 456.30 ms. Allocated memory is still 198.7 MB. Free memory was 176.7 MB in the beginning and 157.4 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2373.34 ms. Allocated memory was 198.7 MB in the beginning and 225.4 MB in the end (delta: 26.7 MB). Free memory was 156.7 MB in the beginning and 95.8 MB in the end (delta: 61.0 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 44 SDtfs, 34 SDslu, 88 SDs, 0 SdLazy, 239 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 99 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 42 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 7578 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...